What’s Vulnerable › Vulnerabilities

CVE-2020-14384

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-09 · updated 2026-06-17
• Weakness: CWE-400

Description

A flaw was found in JBossWeb in versions before 7.5.31.Final-redhat-3. The fix for CVE-2020-13935 was incomplete in JBossWeb, leaving it vulnerable to a denial of service attack when sending multiple requests with invalid payload length in a WebSocket frame. The highest threat from this vulnerability is to system availability.

Affected products

• Red Hat JBoss EAP: 6.0.0
• RedHat Jbossweb: before 7.5.31.final-redhat-3 — fixed in 7.5.31.final-redhat-3

How to fix

Upgrade to a fixed version: RedHat Jbossweb 7.5.31.final-redhat-3. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1875176
• https://bugzilla.redhat.com/show_bug.cgi?id=1875176

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